diff --git a/inkycal/main.py b/inkycal/main.py
index 122a817..153d745 100644
--- a/inkycal/main.py
+++ b/inkycal/main.py
@@ -518,12 +518,12 @@ class Inkycal:
     def _optimize_im(image, threshold=220):
         """Optimize the image for rendering on ePaper displays"""
 
-        buffer = numpy.array(image.convert('RGB'))
-        red, green = buffer[:, :, 0], buffer[:, :, 1]
+        #buffer = numpy.array(image.convert('RGB'))
+        #red, green = buffer[:, :, 0], buffer[:, :, 1]
 
         # grey->black
-        buffer[numpy.logical_and(red <= threshold, green <= threshold)] = [0, 0, 0]
-        image = Image.fromarray(buffer)
+        #buffer[numpy.logical_and(red <= threshold, green <= threshold)] = [0, 0, 0]
+        #image = Image.fromarray(buffer)
         return image
 
     def calibrate(self):